PIVlab 3.12.001

• Small update with big effect on the GUI display: Should be fixed now when you use R2025b.
• Matlab Online fixed (new version number needs to be created, because otherwise the fix is not shown properly on Mathworks FEX)

Full Changelog: 3.11...3.12.001

PIVlab 3.10

What's Changed

• Several fixes for R2025 compatibility (please report any remaining issues!)
• Better Velocity Limit selection tools
• Changed the way that shear is calculated #82 (comment)
• higher frame rates possible with OPTRONIS cameras in releases >= 2025a
• Replaced DCEV with Q Criterion
• Background subtraction can now be additionally performed with Minimum Background intensity
• Automatic Velocity Limits
• Changed calculation of stretch limits: Each image gets its own Limits
• Added reference vector in modify plot appearance
• Updated pco.matlab to latest version 1.22 ready for R2025a

Full Changelog: 3.09...3.10

PIVlab 3.09

• Re-inserted normalized median test by Westerweel and Scarano (got lost somehow in 2020, sorry...)
• Enhanced the filter efficiency by interpolating nans before applying filter
• Made user interface more responsive by interrupting repetitive GUI interactions
• Implementation of 2025 OPTOLUTION synchronizer with external trigger configuration
• Fixed b16 import error
• Fixed bug with loading session file with video files
• Added check to prevent users can load non-PIVlab session files as PIVlab session
• Image acquisition: Additional confirmation dialogue to start capturing immediately with very small delay
• Prepared PIVlab for Matlab R2025a
• Added darkmode for R2025a and later
• Fixes for much better support of OPTRONIS cameras with R2025a and later
• Bug fixes for image acquisition when multiple cameras are connected

Full Changelog: 3.08...3.09

PIVlab 3.08

Small bug fix for pco cameras
Full Changelog: 3.07...3.08

PIVlab 3.07

PIVlab is now additionally available as standalone .exe tool, enabled by OPTOLUTION Messtechnik GmbH.

Multi tiff support (tiff images with multiple pages)

Measure displacements instead of velocities by entering "0" as time step in the calibration panel.

New capturing technique for pco cameras, enhancing performance and data rate

Button added to remove images from the image list also after import was finished

Saved calibration images from OPTOcam now brighter

Progress bar during download of wOFV filter matrices

Published the new http://pivlab.de/ website (hosted by github), and enhanced contents (by @Walde-Hub)

What's Changed

• Merge fixes from main branch by @Shrediquette in #129
• small adjustments by @Shrediquette in #130
• Add files via upload by @Shrediquette in #131
• Merge by @Shrediquette in #132
• Multi tiff by @Shrediquette in #133
• PIVlab Page ready by @Walde-Hub in #134

New Contributors

• @Walde-Hub made their first contribution in #134

Full Changelog: 3.06...3.07

PIVlab 3.06

Important bug fix for OPTRONIS cameras.
Full Changelog: 3.05...3.06

PIVlab 3.05

What's Changed

• wOFV PIVLab Implementation by @GRJ-Satyakama in #120
• Code restructured to use namespaces and Filter matrices can now be generated on the user-end. by @GRJ-Satyakama in #121
• Fixed upsample.m file by @GRJ-Satyakama in #122
• Added wfilters.m by @GRJ-Satyakama in #123
• Instead of generating the Filter Matrices locally, now they are downloaded from a repository hosted at osf.io by @GRJ-Satyakama in #126
• Corrected the storage directory for Filter Matrices by @GRJ-Satyakama in #127
• Adding wavelet based optical flow to PIVlab by @Shrediquette in #128

New Contributors

• @GRJ-Satyakama made their first contribution in #120

Full Changelog: 3.02...3.05

PIVlab 3.03 beta

This is a beta release of PIVlab with optical flow. Please test this and report any issues!

What's Changed

• wOFV PIVLab Implementation by @GRJ-Satyakama in #120
• Code restructured to use namespaces and Filter matrices can now be generated on the user-end. by @GRJ-Satyakama in #121
• Fixed upsample.m file by @GRJ-Satyakama in #122
• Added wfilters.m by @GRJ-Satyakama in #123
• Instead of generating the Filter Matrices locally, now they are downloaded from a repository hosted at osf.io by @GRJ-Satyakama in #126
• Corrected the storage directory for Filter Matrices by @GRJ-Satyakama in #127
• Adding wavelet based optical flow to PIVlab by @Shrediquette in #128

New Contributors

• @GRJ-Satyakama made their first contribution in #120

Full Changelog: 3.02...3.03beta

PIVlab 3.02

• Bug fix for missing "gui_update_progress files" that appeared under some circumstances.
• Minor changes

What's Changed

• Fixes to function names in namespaces by @mukeshangrakh in #118

New Contributors

• @mukeshangrakh made their first contribution in #118

Full Changelog: 3.01...3.02

PIVlab 3.01

So many changes in PIVlab 3.00, I think some bugs were unavoidable... Here are fixes for the ones discovered so far, and some additional features:

• Bug fixes for area and poly extraction
• Bug fix for GUI batch sessions
• Added "Matlab figure" as export option
• Made interrogation area display stay visible when toggling between A and B
• Added possibility to combine overlapping masks (boolean union)
• Added automatic control for Optolution LED laser warning signs
• Added PIVlab path to Matlab paths using addpath

Full Changelog: 3.00...3.01